RE: DX7
I was thinking about getting a Spectrum module and a reciever or two for my 8 channel and below stuff.
Then replacing the receivers as I go, when I phase out all the 72mhz stuff get a 9303 2.4
Either way thats going to be next year before I can, and there's only one guy on my channel where I fly and half the time he doesn't have that radio/plane with him so to me its no big issue.
Also most problems people have from "interference" and "glitches" can be avoided by proper maintenance and radio installation. I've found that true shoot downs are rare.